@media (min-width: 1080px) and (max-width: 1400px) { 
    .container-fluid {
        padding-left: 160px !important;
        padding-right: 160px !important
    }

    .container {
        max-width: 1200px !important
    }
    .ib1{
        height:900px;
    }
    .bb1{
        width:600px;
    }
    .bb2{
        position: absolute;top: 585px;left: 10%;right: 10%;
    }
    #section-three-features {
        padding-top: 50px !important;
    }
    .top_card{
        padding:6%;
        height:420px;
        width: 100%;
    }

    .top_card .it1{
        margin-top: 5%;
        width: 60px;height:60px
    }
    .top_card .it2{
        width: 200px;
        height: 30px;
    }
    .top_card .top_title{
        line-height:40px;
        margin-top: 20px;
        padding:0px;
    }

    .ff1{
        width: 550px;
        left: 0;position: absolute;
    }

    .round{
        width: 1200px;
        height: 1200px;
        position: absolute;
        left: -600px;
        top: -25px;
        border: 13px solid rgba(220, 220, 220, 0.1);
        border-radius: 50%;
        clip-path: polygon(50% 0%, 100% 0%, 100% 3600%, 0% 0%);
    }
    .round3{
        width: 1400px;
        height: 1400px;
        position: absolute;
        top: -110px;
        left: -700px;
        border: 2px solid rgba(200, 200, 200, 0.1);
        border-radius: 50%;
        clip-path: polygon(50% 0%, 100% 0%, 100% 3600%, -10% 0%);
    }
    .round2{
        width: 1500px;
        height: 1500px;
        top: -140px;
        left: -750px;
        position: absolute;
        border-radius: 720px;
        clip-path: polygon(50% 0%, 100% 0%, 100% 3600%, 0% 0%);
        -webkit-animation: rotate 20s linear infinite;
                animation: rotate 20s linear infinite
      
    }
    .round2 ul,li{
        margin: 0;
        text-align: center;
        list-style-type: none;
        padding: 0;
    }

    .round2 ul{
        width: 1500px;
        height: 1500px;
        padding:20px;
        position: relative;
    }
    .round2 li{
        position: absolute;
        border-radius: 50%;
        line-height: 40px;
        text-align: center;
        left: 50%;

    }
    .round2 li:nth-of-type(2){
        transform: rotate(45deg);
        transform-origin:0px 720px;
    }
    
    .round2 li:nth-of-type(3){
        transform: rotate(90deg);
        transform-origin:0px 720px;
    }
    .round2 li:nth-of-type(4){
        transform: rotate(135deg);
        transform-origin:0px 720px;
    }
    .round2 li:nth-of-type(5){
        transform: rotate(180deg);
        transform-origin:0px 720px;
    }
    .round2 li:nth-of-type(6){
        transform: rotate(225deg);
        transform-origin:0px 720px;
    }
    .round2 li:nth-of-type(7){
        transform: rotate(270deg);
        transform-origin:0px 720px;
    }
    .round2 li:nth-of-type(8){
        transform: rotate(315deg);
        transform-origin:0px 720px;
    }

    .f_item1{
        left: 55%;
        position: absolute;
        top: 10%;
    }
    .f_item2{
        left: 65%;
        position: absolute;
        top: 40%;
    }
    .f_item3{
        left: 45%;
        position: absolute;
        top: 60%;
    }
    .f_item4{
        left: 55%;
        position: absolute;
        top: 70%;
    }
    .section-five-features{
        height:1300px
    }
    
    .f_img{
        width: 69px;
        height: 75px;
    }
    .f_title{
        margin: 18px 0px;
        font-size: 32px;
        color: #FFFFFF;
        line-height: 38px;
        letter-spacing: 1px;
        font-family: Fontquan-XinYilogoTi-Regular;

    }
    
    .f_button{
        width: 130px;
        height: 35px;
        margin-top: 19px;
        text-align: center;
        font-size: 18px;
        border-radius: 3px;
        font-family: Fontquan-XinYilogoTi-Regular, Fontquan-XinYilogoTi;
        font-weight: 400;
        color: #FFFFFF;
        line-height: 32px;
        cursor: pointer;
        border: 1px solid #666;

    }
    
    #section-four-features2 .f_ab{
        margin: auto 10%;
        text-align: center;
        font-size: 24px;
        font-family: ArialMT;
        color: grey;
        line-height: 28px;
        letter-spacing: 1px;
        height: 300px;border: 0px solid #ccc;display: flex;margin-top: 220px;

    }
    .d1{
        font-size: 32px;
        font-family: Fontquan-XinYilogoTi-Regular, Fontquan-XinYilogoTi;
        font-weight: 400;
        color: #FF4997;
        line-height: 38px;
    }
    .d2{
        font-size: 18px;
        font-family: ArialMT;
        color: #FFFFFF;
        line-height: 30px;
    }
    .content{
        width: 440px;
        font-weight: 300;
        font-size: 16px;
        font-family: PingFangTC-Regular, PingFangTC;
        font-weight: 400;
        color: #C0C0C0;
        line-height: 22px;

    }

    .ifo1{
        margin: auto;
        max-width: 80%;
        margin-top: 50px;
        text-align: center;
        font-family: ArialMT;
        letter-spacing: 1px;
        font-size: 32px;
        font-family: ArialMT;
        line-height: 40px;
        color: #FFFFFF;
        opacity: 0.5 !important;
    
    }
    .f_bb{
        width: 100%;height: 145px;position: absolute;text-align: center;
    }
    .f_cc{
        width: 100%;height: 145px;position: relative;text-align: center;
    }
    .dd0{
        position: absolute;top: -100px;left: 15%;text-align: left;
    }
    .dd1{
        position: absolute;top: 140%;left: 10%;text-align: left;
    }
    .dd2{
        position: absolute;top: 140%;left: 60%;text-align: left;
    }
    .dd3{
        position: absolute;top: -180px;left: 44%;text-align: left;width: 400px;
    }

    .liquidity div{
        margin-top: 20px;
    }

    .liquidity{
        margin-top:100px
    }
    .liquidity_img{
        width: 50%;height:260px;
        position: absolute;top: 340px;margin: auto;left: 25%;z-index: -1;
    }
    .container-title{
        display: flex;
        width: 100%;
        text-align: justify;
        padding-left: 80px;
        padding-right: 80px;
        justify-content:space-between;
        /*侧轴居中对齐*/    
    }
    .mahadao-logo img{
        width: 20%;
        margin: auto;
        margin-top: 24px;

    }
    .mahadao-logo img{
        width: 50%;
        margin-top: 14px;
        margin: auto;
        
    }
    #header .nav-icon{
        display:none !important;
    }
    #header{
        display: flex;
        height: 100px;
        justify-content: space-between;
        align-items: center;
    }
    .nav-link{
        display: inline-block !important;
        padding-top: 10px !important;
        padding-bottom: 10px !important;
    }
    .title{
        display: flex;
        height: 100px;
        width: 1200px;
        padding-left: 0!important;
        padding-right: 0!important;
        margin: auto;
        justify-content: space-between;
        align-items: center;
    }
    .ob11{
        width: 709px;
        height: 165px;
        font-size: 64px;
        margin-top: 80px;
        font-family: Fontquan-XinYilogoTi;
        font-weight: 400;
        line-height: 88px;
        color: #FFFFFF;
        opacity: 1;
            
    }
    .ob22{
        line-height: 30px;margin-left: 20px; font-size: 18px;
                color: #A7A1C7;
    }

    .ob1{
        height:800px !important;
    }

    #section-title{
        height:600px!important;
    }

    .st1,#store-title{
        height: 680px;
    }
    .ee1,#session{
        height:764px
    }

    .eec img{
        margin-top: 50px;
        width: 180px!important;
        height: 180px!important;
    }
    .eeitem img{
        margin-top: 10px!important;
        width: 20px!important;
        height: 20px!important;
    }
    .bb_con{
        margin-top: 20px;
            font-size: 16px;
            font-family: PingFang SC;
            font-weight: 400;
            line-height: 32px;
            color: #A7A1C7;
            opacity: 1;
    }
    .bb_ti{
        font-size: 28px;
        font-family: PingFang SC;
        font-weight: 800;
        line-height: 40px;
        color: #FFFFFF;
        opacity: 1;
            
    }
   
}